News & Insights
Transgender Women in Law Mixer- Cowan, Liebowitz & Latman Recognized Among Nation’s Top IP Law Firms in 2026 Best Law Firms Rankings
- Cowan, Liebowitz & Latman Authors Amicus Brief in Landmark Copyright Case Before U.S. Supreme Court
- The 2026 Edition is Available of A Trademark is Not a Copyright or a Patent by William M. Borchard with Deborah K. Squiers
On My Mind Blog
Case Studies
The Second Circuit affirms summary judgment for our client.
Federal Circuit upholds successful opposition against application to register LEHMAN BROTHERS for whiskey
Federal Circuit reverses cancellation of U.S. trademark registrations
We established that cigarette rolling paper size designations are generic.
We succesfully represented our client, Major League Baseball Partners, Inc.
What They Say
"The trade mark team at Cowan Liebowitz is fantastic to deal with - with heaps of experience and expertise, they know exactly how to deliver client-friendly advice."
2025 Legal 500"Mary L. Kevlin is a renowned intellectual property lawyer owing to her open-ended skill in handling the full remit of trademark matters, as well as serving as a leading academic in the field."
2025 Lexology Index"William M. Borchard commands a spectacular reputation amongst trademark lawyers, owing to his rich experience in complex transactions and registrations as well as academic contributions to the advancement of the sector, making him a valuable asset to the legal community."
2025 Lexology Index“‘Simply the best’, Cowan Liebowitz & Latman’s trademark practice is defined by collaboration, depth, and agility. Clients turn to the team not just for its legal acumen, but for its unique culture of shared expertise which ensures robust IP support. When litigation is necessary, clients have access to some of the brightest minds in the field.”
2026 WTR 1000 – The World’s Leading Trademark Professionals"Cowan Liebowitz's attorneys aren't just service providers – they're invaluable partners protecting our brand."
Chambers USA 2025
Why Us
Founded in 1957, we maintain long-term relationships by providing sound advice, quality legal work, and highly-responsive, personalized service.
What We Do
We represent clients of all sizes across a broad range of industries. The boutique size of our firm, and the breadth of our practice capabilities, allow us to provide a multidisciplinary approach in a cost-effective manner.
Our Clients
Our experience spans a broad range of industries and is international in scope. We appreciate the opportunity of growing with successful companies and brands, as well as creative individuals and accomplished executives.
